Ruby herokuへのデプロイ。　Failed to install gems via Bundler.というエラーが出ます。

Ruby on Railsで作成したアプリをHerokuへデプロイしようとgit push heroku masterでプッシュしたところ、以下のようなエラーメッセージが出ました。

Enumerating objects: 7025, done.
Counting objects: 100% (7025/7025), done.
Delta compression using up to 4 threads
Compressing objects: 100% (5579/5579), done.
Writing objects: 100% (7025/7025), 41.10 MiB | 139.00 KiB/s, done.
Total 7025 (delta 1053), reused 6948 (delta 1021), pack-reused 0
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Building on the Heroku-20 stack
remote: -----> Determining which buildpack to use for this app
remote:  !     Warning: Multiple default buildpacks reported the ability to handle this app. The first buildpack in the list below will be used.
remote:                         Detected buildpacks: Ruby,Node.js
remote:                         See https://devcenter.heroku.com/articles/buildpacks#buildpack-detect-order
remote: -----> Ruby app detected
remote: -----> Installing bundler 2.2.16
remote: -----> Removing BUNDLED WITH version in the Gemfile.lock
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.7.3
remote: -----> Installing dependencies using bundler 2.2.16
remote:        Running: BUNDLE_WITHOUT='development:test' BUNDLE_PATH=vendor/bundle BUNDLE_BIN=vendor/bundle/bin BUNDLE_DEPLOYMENT=1 bundle install -j4
remote:        Your bundle only supports platforms ["x86_64-darwin-20"] but your local platform
remote:        is x86_64-linux. Add the current platform to the lockfile with `bundle lock
remote:        --add-platform x86_64-linux` and try again.
remote:        Bundler Output: Your bundle only supports platforms ["x86_64-darwin-20"] but your local platform
remote:        is x86_64-linux. Add the current platform to the lockfile with `bundle lock
remote:        --add-platform x86_64-linux` and try again.
remote: 
remote:  !
remote:  !     Failed to install gems via Bundler.
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote: 
remote:  !     Push failed
remote:  !
remote:  ! ## Warning - The same version of this code has already been built: 0a0d0048a917a8faec8181fc705bc3df74c7d6a8
remote:  !
remote:  ! We have detected that you have triggered a build from source code with version 0a0d0048a917a8faec8181fc705bc3df74c7d6a8
remote:  ! at least twice. One common cause of this behavior is attempting to deploy code from a different branch.
remote:  !
remote:  ! If you are developing on a branch and deploying via git you must run:
remote:  !
remote:  !     git push heroku <branchname>:main
remote:  !
remote:  ! This article goes into details on the behavior:
remote:  !   https://devcenter.heroku.com/articles/duplicate-build-version
remote: 
remote: Verifying deploy...
remote: 
remote: !       Push rejected to heroku-deploy-usedyoyo-app.
remote: 
To https://git.heroku.com/heroku-deploy-usedyoyo-app.git
 ! [remote rejected] master -> main (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/heroku-deploy-usedyoyo-app.git'